306 lines
9.2 KiB
C
306 lines
9.2 KiB
C
/******************************************************************************
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*
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* Copyright (C) 2004-2012 Broadcom Corporation
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at:
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*
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******************************************************************************/
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/******************************************************************************
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*
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* This is the implementation file for data gateway call-in functions.
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*
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******************************************************************************/
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#include "bt_target.h"
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#include <string.h>
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#include "bt_common.h"
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#include "pan_api.h"
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#include "bta_api.h"
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#include "bta_pan_api.h"
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#include "bta_pan_ci.h"
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#include "bta_pan_int.h"
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#include "bt_utils.h"
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#if defined(BTA_PAN_INCLUDED) && (BTA_PAN_INCLUDED == TRUE)
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/*******************************************************************************
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**
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** Function bta_pan_ci_tx_ready
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**
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** Description This function sends an event to PAN indicating the phone is
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** ready for more data and PAN should call bta_pan_co_tx_path().
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** This function is used when the TX data path is configured
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** to use a pull interface.
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**
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**
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** Returns void
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**
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*******************************************************************************/
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void bta_pan_ci_tx_ready(UINT16 handle)
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{
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BT_HDR *p_buf = (BT_HDR *)osi_malloc(sizeof(BT_HDR));
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p_buf->layer_specific = handle;
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p_buf->event = BTA_PAN_CI_TX_READY_EVT;
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bta_sys_sendmsg(p_buf);
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}
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/*******************************************************************************
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**
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** Function bta_pan_ci_rx_ready
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**
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** Description This function sends an event to PAN indicating the phone
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** has data available to send to PAN and PAN should call
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** bta_pan_co_rx_path(). This function is used when the RX
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** data path is configured to use a pull interface.
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**
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**
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** Returns void
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**
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*******************************************************************************/
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void bta_pan_ci_rx_ready(UINT16 handle)
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{
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BT_HDR *p_buf = (BT_HDR *)osi_malloc(sizeof(BT_HDR));
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p_buf->layer_specific = handle;
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p_buf->event = BTA_PAN_CI_RX_READY_EVT;
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bta_sys_sendmsg(p_buf);
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}
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/*******************************************************************************
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**
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** Function bta_pan_ci_tx_flow
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**
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** Description This function is called to enable or disable data flow on
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** the TX path. The phone should call this function to
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** disable data flow when it is congested and cannot handle
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** any more data sent by bta_pan_co_tx_write() or
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** bta_pan_co_tx_writebuf(). This function is used when the
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** TX data path is configured to use a push interface.
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**
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**
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** Returns void
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**
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*******************************************************************************/
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void bta_pan_ci_tx_flow(UINT16 handle, BOOLEAN enable)
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{
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tBTA_PAN_CI_TX_FLOW *p_buf =
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(tBTA_PAN_CI_TX_FLOW *)osi_malloc(sizeof(tBTA_PAN_CI_TX_FLOW));
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p_buf->hdr.layer_specific = handle;
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p_buf->hdr.event = BTA_PAN_CI_TX_FLOW_EVT;
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p_buf->enable = enable;
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bta_sys_sendmsg(p_buf);
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}
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/*******************************************************************************
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**
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** Function bta_pan_ci_rx_write
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**
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** Description This function is called to send data to PAN when the RX path
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** is configured to use a push interface. The function copies
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** data to an event buffer and sends it to PAN.
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**
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**
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** Returns void
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**
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*******************************************************************************/
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void bta_pan_ci_rx_write(UINT16 handle, BD_ADDR dst, BD_ADDR src, UINT16 protocol,
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UINT8 *p_data, UINT16 len, BOOLEAN ext)
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{
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BT_HDR *p_buf = (BT_HDR *)osi_malloc(PAN_BUF_SIZE);
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p_buf->offset = PAN_MINIMUM_OFFSET;
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/* copy all other params before the data */
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bdcpy(((tBTA_PAN_DATA_PARAMS *)p_buf)->src, src);
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bdcpy(((tBTA_PAN_DATA_PARAMS *)p_buf)->dst, dst);
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((tBTA_PAN_DATA_PARAMS *)p_buf)->protocol = protocol;
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((tBTA_PAN_DATA_PARAMS *)p_buf)->ext = ext;
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p_buf->len=len;
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/* copy data */
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memcpy((UINT8 *)(p_buf + 1) + p_buf->offset, p_data, len);
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p_buf->layer_specific = handle;
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p_buf->event = BTA_PAN_CI_RX_WRITEBUF_EVT;
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bta_sys_sendmsg(p_buf);
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}
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/*******************************************************************************
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**
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** Function bta_pan_ci_rx_writebuf
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**
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** Description This function is called to send data to the phone when
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** the RX path is configured to use a push interface with
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** zero copy. The function sends an event to PAN containing
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** the data buffer. The buffer will be freed by BTA; the
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** phone must not free the buffer.
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**
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**
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** Returns void
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**
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*******************************************************************************/
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void bta_pan_ci_rx_writebuf(UINT16 handle, BD_ADDR dst, BD_ADDR src, UINT16 protocol,
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BT_HDR *p_buf, BOOLEAN ext)
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{
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/* copy all other params before the data */
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bdcpy(((tBTA_PAN_DATA_PARAMS *)p_buf)->src, src);
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bdcpy(((tBTA_PAN_DATA_PARAMS *)p_buf)->dst, dst);
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((tBTA_PAN_DATA_PARAMS *)p_buf)->protocol = protocol;
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((tBTA_PAN_DATA_PARAMS *)p_buf)->ext = ext;
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p_buf->layer_specific = handle;
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p_buf->event = BTA_PAN_CI_RX_WRITEBUF_EVT;
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bta_sys_sendmsg(p_buf);
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}
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/*******************************************************************************
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**
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** Function bta_pan_ci_readbuf
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**
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** Description
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**
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**
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** Returns void
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**
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*******************************************************************************/
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BT_HDR * bta_pan_ci_readbuf(UINT16 handle, BD_ADDR src, BD_ADDR dst, UINT16* p_protocol,
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BOOLEAN* p_ext, BOOLEAN* p_forward)
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{
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tBTA_PAN_SCB * p_scb;
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BT_HDR * p_buf;
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p_scb = bta_pan_scb_by_handle(handle);
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if (p_scb == NULL)
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return NULL;
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p_buf = (BT_HDR *)fixed_queue_try_dequeue(p_scb->data_queue);
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if (p_buf != NULL)
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{
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bdcpy(src,((tBTA_PAN_DATA_PARAMS *)p_buf)->src);
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bdcpy(dst,((tBTA_PAN_DATA_PARAMS *)p_buf)->dst);
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*p_protocol = ((tBTA_PAN_DATA_PARAMS *)p_buf)->protocol;
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*p_ext = ((tBTA_PAN_DATA_PARAMS *)p_buf)->ext;
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*p_forward = ((tBTA_PAN_DATA_PARAMS *)p_buf)->forward;
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}
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return p_buf;
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}
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/*******************************************************************************
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**
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** Function bta_pan_ci_set_mfilters
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**
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** Description This function is called to set multicast filters
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**
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**
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** Returns void
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**
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*******************************************************************************/
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void bta_pan_ci_set_mfilters(UINT16 handle, UINT16 num_mcast_filters, UINT8 *p_start_array,
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UINT8 *p_end_array)
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{
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PAN_SetMulticastFilters(handle, num_mcast_filters, p_start_array, p_end_array);
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}
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/*******************************************************************************
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**
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** Function bta_pan_ci_set_mfilters
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**
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** Description This function is called to set protocol filters
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**
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**
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** Returns void
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**
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*******************************************************************************/
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void bta_pan_ci_set_pfilters(UINT16 handle, UINT16 num_filters, UINT16 *p_start_array, UINT16 *p_end_array)
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{
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PAN_SetProtocolFilters(handle, num_filters, p_start_array, p_end_array );
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}
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#else
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void bta_pan_ci_tx_ready(UINT16 handle)
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{
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UNUSED(handle);
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}
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void bta_pan_ci_rx_ready(UINT16 handle)
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{
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UNUSED(handle);
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}
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void bta_pan_ci_tx_flow(UINT16 handle, BOOLEAN enable)
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{
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UNUSED(handle);
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UNUSED(enable);
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}
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void bta_pan_ci_rx_writebuf(UINT16 handle, BD_ADDR src, BD_ADDR dst, UINT16 protocol, BT_HDR *p_buf, BOOLEAN ext)
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{
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UNUSED(handle);
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UNUSED(src);
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UNUSED(dst);
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UNUSED(protocol);
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UNUSED(p_buf);
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UNUSED(ext);
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}
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BT_HDR * bta_pan_ci_readbuf(UINT16 handle, BD_ADDR src, BD_ADDR dst, UINT16 *p_protocol,
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BOOLEAN* p_ext, BOOLEAN* p_forward)
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{
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UNUSED(handle);
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UNUSED(src);
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UNUSED(dst);
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UNUSED(p_protocol);
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UNUSED(p_ext);
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UNUSED(p_forward);
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return NULL;
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}
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void bta_pan_ci_set_pfilters(UINT16 handle, UINT16 num_filters, UINT16 *p_start_array, UINT16 *p_end_array)
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{
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UNUSED(handle);
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UNUSED(num_filters);
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UNUSED(p_start_array);
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UNUSED(p_end_array);
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}
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void bta_pan_ci_set_mfilters(UINT16 handle, UINT16 num_mcast_filters, UINT8 *p_start_array,
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UINT8 *p_end_array)
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{
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UNUSED(handle);
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UNUSED(num_mcast_filters);
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UNUSED(p_start_array);
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UNUSED(p_end_array);
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}
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#endif /* BTA_PAN_API */
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